表面阳极化surface anodizing，金属材料在电解质溶液中，通过外施阳极电流使其表面形成氧化膜的一种材料保护技术。又称表面阳极氧化。
Z 轴采用表面阳极化航空铝合金，温度一致性极佳；并降低了运动部件的质量，减少测量机在高速运行时的惯性。
Cross beam and Axis Z are made of surface-anodized aerometal to improve thermal stability and reduce moving mass for faster setting.
硬质阳极化电源是对金属表面进行处理的装置。
Hard anodizing power supply is an important part of the equipment to deal with metal surface.
阳极化处理表面的一个主要缺点是它的导热性非常低劣。
One major disadvantage of anodized surfaces is their very poor thermal conductivity.
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